Doctors were already aware that brothers and sisters of babies who presented in the breechposition were more likely to do so themselves.
医生已经意识到其兄姊以臀位出生的胎儿更可能也以此种方式娩出。
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Hopefully your baby has positioned herself in a head-down position by now. if she is still sitting with her head upright and feet down, she is in the breechposition.